The Curtis, also known as the Executive Tower, is a 350 ft (107m) tall skyscraper in Denver, Colorado. It was completed in 1974 and has 30 floors. It is the 31st tallest building in the city. The Curtis Hotel became a member of the Hilton family on January 5, 2010. It is now called The Curtis-A Doubletree Hotel. Since 2006, the hotel has also functioned as a student dormitory for the nearby Auraria Campus.